Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 707 · 40 questions

Remember (Shape tells the part): Cell: long and short line (long = +). Battery: two or more cells. Wire: straight line. Junction: a dot. Bulb: circle with a cross. Switch: line lifted at a gap. Resistor: rectangle. Capacitor: two equal parallel lines. Diode: triangle against a bar; LED: the same with two arrows out. Circle with M = motor, A = ammeter, V = voltmeter.

1. 1.Which drawing is the symbol for an LED? (a) a straight line (b) triangle, bar and arrows (c) a circle with M inside (d) triangle against a bar
2. 2.✏️ In a cell symbol, which line is the + terminal? (a) the shorter line (b) both lines (c) the longer line (d) neither line
3. 3.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) diode (b) junction (c) capacitor (d) resistor
4. 4.Which drawing is the symbol for a cell? (a) a small empty box (b) two equal parallel lines (c) a circle with a cross (d) one tall, one short bar
5. 5.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) cell (b) ammeter (c) battery (d) bulb
6. 6.Which drawing is the symbol for a battery? (a) one tall, one short bar (b) two or more cell symbols (c) a circle with V inside (d) a small empty box
7. 7.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) bulb (b) cell (c) battery (d) junction
8. 8.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) switch (b) junction (c) voltmeter (d) motor
9. 9.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) switch (b) bulb (c) ammeter (d) LED
10. 10.True or false: a circle with A inside is the symbol for a battery. (a) False (b) True
11. 11.Which drawing is the symbol for a wire? (a) a circle with V inside (b) a small empty box (c) a plain rectangle (d) a straight line
12. 12.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) resistor (b) wire (c) cell (d) motor
13. 13.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) capacitor (b) ammeter (c) bulb (d) battery
14. 14.Which drawing is the symbol for a junction? (a) two equal parallel lines (b) a dot where wires meet (c) a circle with A inside (d) a circle with a cross
15. 15.True or false: many long-short pairs is the symbol for a switch. (a) True (b) False
16. 16.✏️ In a circuit diagram, wires are usually drawn as … (a) dotted circles (b) wavy lines (c) little stars (d) straight lines
17. 17.Which drawing is the symbol for a bulb? (a) a line lifted at a gap (b) a long and a short line (c) a circle with an X in it (d) a small empty box
18. 18.True or false: a circle with A inside is the symbol for a junction. (a) True (b) False
19. 19.Which drawing is the symbol for a switch? (a) two or more cell symbols (b) a circle with M inside (c) a line lifted at a gap (d) a circle with A inside
20. 20.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) junction (b) voltmeter (c) bulb (d) motor
21. 21.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) wire (b) cell (c) junction (d) ammeter
22. 22.✏️ Why do engineers draw circuits with symbols? (a) symbols are heavier (b) to make it colourful (c) quick and clear for all (d) to hide the circuit
23. 23.True or false: triangle, bar and arrows is the symbol for an LED. (a) False (b) True
24. 24.✏️ In a circuit diagram, which part is drawn as a straight line? (a) cell (b) resistor (c) bulb (d) wire
25. 25.True or false: triangle against a bar is the symbol for a diode. (a) False (b) True
26. 26.Which drawing is the symbol for a battery? (a) a plain rectangle (b) many long-short pairs (c) a dot where wires meet (d) a line lifted at a gap
27. 27.True or false: one tall, one short bar is the symbol for a cell. (a) True (b) False
28. 28.True or false: a circle with an X in it is the symbol for a battery. (a) False (b) True
29. 29.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) battery (b) voltmeter (c) resistor (d) diode
30. 30.Which drawing is the symbol for a voltmeter? (a) a straight line (b) a line lifted at a gap (c) a small empty box (d) a circle with V inside
31. 31.True or false: a long and a short line is the symbol for a diode. (a) True (b) False
32. 32.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) motor (b) capacitor (c) resistor (d) LED
33. 33.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) diode (b) battery (c) ammeter (d) motor
34. 34.True or false: a long and a short line is the symbol for a bulb. (a) False (b) True
35. 35.True or false: two equal parallel lines is the symbol for a capacitor. (a) False (b) True
36. 36.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) ammeter (b) battery (c) motor (d) cell
37. 37.True or false: a straight line is the symbol for a wire. (a) True (b) False
38. 38.True or false: triangle against a bar is the symbol for a switch. (a) False (b) True
39. 39.Which drawing is the symbol for an ammeter? (a) triangle, bar and arrows (b) one tall, one short bar (c) a circle with an X in it (d) a circle with A inside
40. 40.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) motor (b) LED (c) diode (d) bulb

Free electronics lessons, practice and worksheets at talentjr.in/electronics-for-kids